Vulnerability CVE-2020-1927
Published: 2020-04-02

Description:
In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL.

Type:

CWE-601

 (URL Redirection to Untrusted Site ('Open Redirect'))

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Apache -> Http server 

 References:
http://www.openwall.com/lists/oss-security/2020/04/03/1
http://www.openwall.com/lists/oss-security/2020/04/04/1
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/r1719675306dfbeaceff3dc63ccad3de2d5615919ca3c13276948b9ac@%3Cdev.httpd.apache.org%3E
https://lists.apache.org/thread.html/r52a52fd60a258f5999a8fa5424b30d9fd795885f9ff4828d889cd201@%3Cdev.httpd.apache.org%3E
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